DMC控制在变风量空调系统的应用  

The Application of DMC Control in VAV Air Condition System

作　　者：姜文娟[1] 胡义[1] 

机构地区：[1]东北电力大学自动化工程学院,吉林吉林132012

出　　处：《装备制造技术》2009年第12期81-82,共2页Equipment Manufacturing Technology

摘　　要：针对变风量空调系统(Variable Air Volume Air Condition System,简称VAV)具有干扰大、因素多、非线性、大滞后、不确定性、非预测性等特点,使得系统特性难于精确描述和采用传统PID控制难以得到满意效果的问题,应用DMC-PID串级控制方式,设计了控制器,进行了仿真,并将仿真结果与PID串级控制比较,表明该算法具有较的强鲁棒性和良好的控制性能。VAV air condition system is a air condition system that controls the temperature by changing the supply air volume. The system has the characteristics of big disturbance, mud-factor, nonlinear, big-delay and uncertainty ere, which makes it difficult to get the accurate model. It is difficult to get a satisfying result by PID control. In this paper, the DMC-PID control is used in the air conditioning system, the DMC-PID controller is designed, and simulation is taken. The results show that the scheme provides the control system the stronger robustness and better regulating ability comparing with the PID cascade control.

关 键 词：变风量空调系统 DMC-PID 串级控制 

分 类 号：TP202[自动化与计算机技术—检测技术与自动化装置]